<?php

/**

 * Created by JetBrains PhpStorm.

 * User: inginer

 * Date: 6/1/13

 * Time: 2:58 AM

 * To change this template use File | Settings | File Templates.

 */



namespace Yashr\Drivers;





use Yashr\Classes\Core;

use Yashr\Classes\Driver;

use Yashr\Classes\YashrException;



Core::import('yashr.drivers.db.mysqli');

Core::import('yashr.drivers.session.session');



class Img extends Driver

{

    private $id = null;

    private $src = null;

    private $type = null;

/*

    private $format = array(

        'full',

        'medium',

        'min',

    );

*/

    private $dist = null;



    public function exec(array $params = array())

    {

    }



    public function get ( $id, $params = array())

    {

        $def = array(

            'rotate'    => 0,

            'format'    => 'full',

            'size'      => array(),

        );

        $params = array_merge($def,$params);



        switch ($params['format'])

        {

            case 'medium':

            {

                $params['size']['width'] = 300;

                $params['size']['height'] = 300;

                break;

            }

            case 'min':

            {

                $params['size']['width'] = 100;

                $params['size']['height'] = 100;

                break;

            }

        }



        $this->id = $id;



        $info = $this->info(array(

            'id' => $id,

        ));





        if (!$info['public'])

        {

            if (!$this->session->id)

            {

                exit;

            }

        }



        $this->src = $_SERVER['DOCUMENT_ROOT'].$info['path'].'/'.$info['title'];



        if (!is_file($this->src))

        {

            return '/img/no-photo.jpg';

            //throw new YashrException('File with name ' . $this->src . ' not found');

        }



        $this->type = substr($info['title'],-3,3);



        $this->create();



        if ($params['size'])

        {

            $this->dist = $this->resize($params['size']);

        }



        if ($params['rotate'])

        {

            $this->rotate($params['rotate']);

        }



        $this->img();

    }



    public function get2 ($id, $params = array())

    {

        $def = array(

            'rotate'    => 0,

            'format'    => 'full',

            'size'      => array(),

            'data'      => array(),

        );

        $params = array_merge($def,$params);



        switch ($params['format'])

        {

            case 'medium':

            {

                $params['size']['width'] = 300;

                $params['size']['height'] = 300;

                break;

            }

            case 'min':

            {

                $params['size']['width'] = 100;

                $params['size']['height'] = 100;

                break;

            }

        }



        $this->id = $id;



        $info = $params['data'];



        if (!$info['public'])

        {

            if (!$this->session->id)

            {

                exit;

            }

        }



        $this->src = $_SERVER['DOCUMENT_ROOT'].$info['path'].'/'.$info['title'];

        $file_name=$info['path'].'/'.$params['format'].'_'.$info['title'];

        $save_file=$_SERVER['DOCUMENT_ROOT'].$file_name;



        if (!file_exists($save_file))

        {

            if (!is_file($this->src))

            {

                return '/up/'.$params['format'].'-no-photo.jpg';//$this->src;

            }



            $this->type = substr($info['title'],-3,3);



            $this->create();



            if ($params['size'])

            {

                $this->dist = $this->resize($params['size'],$id);

            }



            if ($params['rotate'])

            {

                $this->rotate($params['rotate']);

            }







            $this->img($save_file);

        }



        return 'http://'.$info['host'].$file_name;

    }



    private function info (array $params = array())

    {

        $def = array(

            'id' => 0,

        );



        $params = array_merge($def,$params);

        $where = '';



        if ($params['id'])

        {

            $where .= ' AND id='.intval($params['id']);

        }



        return $this->mysqli->fetch("SELECT * FROM file WHERE 1=1 " . $where);

    }



    private function img ( $save=NULL )

    {

        header('Content-type: image/'.$this->type);

        switch ($this->type)

        {

            case "jpg":

            {

                imagejpeg($this->dist,$save,100);

                break;

            }

            case "png":

            {

                imagepng($this->dist,$save);

                break;

            }

        }



        imagedestroy($this->dist);

    }



    private function create ()

    {

        switch ($this->type)

        {

            case "jpg":

            {

                $this->dist = imagecreatefromjpeg($this->src);

                break;

            }

            case "png":

            {

                $this->dist = imagecreatefrompng($this->src);

                break;

            }

        }

    }



    private function rotate ( $degrees=90 )

    {

        $this->dist = imagerotate($this->dist, $degrees, 0);

    }



    private function resize (array $params = array())

    {

        $def = array(

            'width' => 0,

            'height' => 0,

        );

        $params = array_merge($def,$params);



        // задание максимальной ширины и высоты



        // тип содержимого

        header('Content-Type: image/'.$this->type);



        // получение новых размеров

        list($width_orig, $height_orig) = getimagesize($this->src);



        $ratio_orig = $width_orig/$height_orig;



        if ($params['width']/$params['height'] > $ratio_orig)

        {

            $params['width'] = $params['height']*$ratio_orig;

        }

        else

        {

            $params['height'] = $params['width']/$ratio_orig;

        }



        // ресэмплирование

        $tmp_photo = imagecreatetruecolor($params['width'], $params['height']);

        if ($this->type=='png')

        {

            imagealphablending($tmp_photo, false);

            imagesavealpha($tmp_photo, true);

        }



        imagecopyresampled($tmp_photo, $this->dist, 0, 0, 0, 0, $params['width'], $params['height'], $width_orig, $height_orig);



        return $tmp_photo;

    }

}